Source Code Cross Referenced for BorderEditor.java in  » XML-UI » xmlgui » org » beryl » gui » builder » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » XML UI » xmlgui » org.beryl.gui.builder 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Beryl - A web platform based on XML, XSLT and Java
003:         * This file is part of the Beryl XML GUI
004:         *
005:         * Copyright (C) 2004 Wenzel Jakob <wazlaf@tigris.org>
006:         *
007:         * This program is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU Lesser General Public
009:         * License as published by the Free Software Foundation; either
010:         * version 2.1 of the License, or (at your option) any later version.
011:
012:         * This program is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this program; if not, write to the Free Software
019:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-3107  USA
020:         */
021:
022:        package org.beryl.gui.builder;
023:
024:        import java.util.ArrayList;
025:        import java.util.HashMap;
026:
027:        import org.beryl.gui.Controller;
028:        import org.beryl.gui.GUIEvent;
029:        import org.beryl.gui.GUIException;
030:        import org.beryl.gui.MessageDialog;
031:        import org.beryl.gui.Widget;
032:        import org.beryl.gui.WidgetFactory;
033:        import org.beryl.gui.XMLUtils;
034:        import org.beryl.gui.model.MapChangeEvent;
035:        import org.beryl.gui.model.MapDataModel;
036:        import org.beryl.gui.model.ModelChangeEvent;
037:        import org.beryl.gui.model.ModelChangeListener;
038:        import org.beryl.gui.validators.IntegerValidator;
039:        import org.beryl.gui.validators.ValidationException;
040:        import org.beryl.gui.validators.Validator;
041:        import org.beryl.gui.widgets.Button;
042:        import org.beryl.gui.widgets.Dialog;
043:        import org.beryl.gui.widgets.Group;
044:        import org.beryl.gui.widgets.LabeledWidget;
045:        import org.w3c.dom.Document;
046:        import org.w3c.dom.Element;
047:        import org.w3c.dom.NodeList;
048:
049:        public class BorderEditor extends Controller implements 
050:                ModelChangeListener {
051:            private Widget parent = null;
052:            private Dialog dialog = null;
053:            private Group group = null;
054:            private MapDataModel dataModel = null;
055:            private Element borderNode = null;
056:            private ArrayList activeComponents = null;
057:            private HashMap customComponents = null;
058:            private Button okButton = null;
059:            private MapDataModel editorModel = null;
060:
061:            public BorderEditor(Widget parent, MapDataModel editorModel)
062:                    throws GUIException {
063:                this .borderNode = ((PropertyTableRow) editorModel
064:                        .getValue("row")).getPropertyNode();
065:                this .parent = parent;
066:                this .editorModel = editorModel;
067:
068:                dataModel = new MapDataModel();
069:                dialog = (Dialog) constructDialog("BorderEditor", dataModel);
070:                group = (Group) dialog.getWidget("Group");
071:                okButton = (Button) dialog.getWidget("OKButton");
072:
073:                customComponents = new HashMap();
074:                activeComponents = new ArrayList();
075:
076:                loadCustomComponent("empty", "Empty_Top",
077:                        new IntegerValidator());
078:                loadCustomComponent("empty", "Empty_Bottom",
079:                        new IntegerValidator());
080:                loadCustomComponent("empty", "Empty_Left",
081:                        new IntegerValidator());
082:                loadCustomComponent("empty", "Empty_Right",
083:                        new IntegerValidator());
084:                loadCustomComponent("titled", "Titled_Title", null);
085:
086:                doLoad();
087:                dataModel.addModelChangeListener(this );
088:
089:            }
090:
091:            public void show() {
092:                try {
093:                    dialog.initDialog(parent);
094:                    dialog.show();
095:                } catch (GUIException e) {
096:                    new MessageDialog(e);
097:                }
098:            }
099:
100:            private void loadCustomComponent(String layoutName, String name,
101:                    Validator validator) throws GUIException {
102:                Widget widget = WidgetFactory.getInstance().constructWidget(
103:                        getClass(), name, this , dataModel, group);
104:                if (validator != null) {
105:                    ((LabeledWidget) widget).getDataWidget().addValidator(
106:                            validator);
107:                }
108:
109:                ArrayList components = (ArrayList) customComponents
110:                        .get(layoutName);
111:
112:                if (components == null) {
113:                    components = new ArrayList();
114:                    customComponents.put(layoutName, components);
115:                }
116:
117:                components.add(widget);
118:            }
119:
120:            private void activateType(String type) throws GUIException {
121:                for (int i = 0; i < activeComponents.size(); i++) {
122:                    group.removeChildWidget((Widget) activeComponents.get(i));
123:                }
124:
125:                ArrayList list = (ArrayList) customComponents.get(type);
126:                if (list != null) {
127:                    for (int i = 0; i < list.size(); i++) {
128:                        group.addChild((Widget) list.get(i), null);
129:                        activeComponents.add(list.get(i));
130:                    }
131:                }
132:
133:                group.revalidate();
134:            }
135:
136:            public void modelChanged(ModelChangeEvent e) throws GUIException {
137:                if (e instanceof  MapChangeEvent) {
138:                    MapChangeEvent event = (MapChangeEvent) e;
139:
140:                    if (event.getKey().equals("type")) {
141:                        activateType(event.getNewValue().toString());
142:                    }
143:                }
144:
145:                try {
146:                    for (int i = 0; i < activeComponents.size(); i++) {
147:                        Widget widget = (Widget) activeComponents.get(i);
148:
149:                        widget.recursiveValidate();
150:                    }
151:                    okButton.setEnabled(true);
152:                } catch (ValidationException ex) {
153:                    okButton.setEnabled(false);
154:                }
155:            }
156:
157:            private void doLoad() throws GUIException {
158:                String type = borderNode.getAttribute("border");
159:
160:                dataModel.setValue("empty_top", "0");
161:                dataModel.setValue("empty_bottom", "0");
162:                dataModel.setValue("empty_left", "0");
163:                dataModel.setValue("empty_right", "0");
164:                dataModel.setValue("titled_title", "");
165:
166:                if (type.equals("none")) {
167:                    dataModel.setValue("type", dialog.getWidget("none"));
168:                } else if (type.equals("empty")) {
169:                    dataModel.setValue("type", dialog.getWidget("empty"));
170:
171:                    dataModel.setValue("empty_top", XMLUtils
172:                            .getStringFromChild(borderNode, "top"));
173:                    dataModel.setValue("empty_bottom", XMLUtils
174:                            .getStringFromChild(borderNode, "bottom"));
175:                    dataModel.setValue("empty_left", XMLUtils
176:                            .getStringFromChild(borderNode, "left"));
177:                    dataModel.setValue("empty_right", XMLUtils
178:                            .getStringFromChild(borderNode, "right"));
179:                } else if (type.equals("titled")) {
180:                    dataModel.setValue("type", dialog.getWidget("titled"));
181:
182:                    dataModel.setValue("titled_title", XMLUtils
183:                            .getStringFromChild(borderNode, "title"));
184:                } else if (type.equals("raised")) {
185:                    dataModel.setValue("type", dialog.getWidget("raised"));
186:                } else if (type.equals("lowered")) {
187:                    dataModel.setValue("type", dialog.getWidget("lowered"));
188:                } else if (type.equals("etched")) {
189:                    dataModel.setValue("type", dialog.getWidget("etched"));
190:                } else {
191:                    throw new GUIException("Unknown border type [" + type + "]");
192:                }
193:
194:                activateType(dataModel.getValue("type").toString());
195:            }
196:
197:            protected void doOK() throws GUIException {
198:                NodeList children = borderNode.getChildNodes();
199:                int length = children.getLength();
200:                for (int i = 0; i < length; i++) {
201:                    borderNode.removeChild(children.item(0));
202:                }
203:
204:                String type = dataModel.getValue("type").toString();
205:                borderNode.setAttribute("border", type);
206:                Document document = borderNode.getOwnerDocument();
207:
208:                if (type.equals("empty")) {
209:                    Element top = document.createElement("top");
210:                    top.appendChild(document.createTextNode((String) dataModel
211:                            .getValue("empty_top")));
212:                    borderNode.appendChild(top);
213:
214:                    Element bottom = document.createElement("bottom");
215:                    bottom.appendChild(document
216:                            .createTextNode((String) dataModel
217:                                    .getValue("empty_bottom")));
218:                    borderNode.appendChild(bottom);
219:
220:                    Element left = document.createElement("left");
221:                    left.appendChild(document.createTextNode((String) dataModel
222:                            .getValue("empty_left")));
223:                    borderNode.appendChild(left);
224:
225:                    Element right = document.createElement("right");
226:                    right.appendChild(document
227:                            .createTextNode((String) dataModel
228:                                    .getValue("empty_right")));
229:                    borderNode.appendChild(right);
230:                } else if (type.equals("titled")) {
231:                    Element title = document.createElement("title");
232:                    title.appendChild(document
233:                            .createTextNode((String) dataModel
234:                                    .getValue("titled_title")));
235:                    borderNode.appendChild(title);
236:                }
237:
238:                PropertyTableRow row = (PropertyTableRow) editorModel
239:                        .getValue("row");
240:                WidgetUserObject object = row.getUserObject();
241:                editorModel.setValue("value", type);
242:            }
243:
244:            public void eventOccured(GUIEvent event) {
245:                String name = event.getName();
246:                try {
247:                    if (name.equals("cancel")) {
248:                        dialog.dispose();
249:                    } else if (name.equals("ok")) {
250:                        doOK();
251:                        dialog.dispose();
252:                    }
253:                } catch (Exception e) {
254:                    new MessageDialog(e);
255:                }
256:            }
257:        }
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